18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci bt819.h - bt819 notifications 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci Copyright (C) 2009 Hans Verkuil (hverkuil@xs4all.nl) 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci*/ 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#ifndef _BT819_H_ 108c2ecf20Sopenharmony_ci#define _BT819_H_ 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ci#include <linux/ioctl.h> 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci/* v4l2_device notifications. */ 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci/* Needed to reset the FIFO buffer when changing the input 178c2ecf20Sopenharmony_ci or the video standard. 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ci Note: these ioctls that internal to the kernel and are never called 208c2ecf20Sopenharmony_ci from userspace. */ 218c2ecf20Sopenharmony_ci#define BT819_FIFO_RESET_LOW _IO('b', 0) 228c2ecf20Sopenharmony_ci#define BT819_FIFO_RESET_HIGH _IO('b', 1) 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci#endif 25